Is boron amorphous or crystalline?

Is boron amorphous or crystalline?Boron can be prepared in several crystalline and amorphous forms. The well-known forms of crystallization are α-rhombohedral (α-R), β-rhombohedral (β-R) and β-tetragonal (β-T). In spec…

What does copper oxide do?

What is copper oxide?Copper oxide is an inorganic substance. Copper oxide chemical formula is CuO. It is a black oxide of copper. Slightly bisexual and slightly hygroscopic. Insoluble in water and ethanol, easily soluble in acid, thermally stable, de…

Where can you get aluminum nitride?

Aluminum nitride is a kind of refractory composite ceramic material with hexagonal wurtzite structure. Pure aluminum nitride is blue-white, and aluminum nitride ceramic is usually gray or white. Aluminum nitride is stable at high temperature in inert…

Is silicon nitride a ceramic?

Silicon nitride ceramic materials have excellent properties such as high thermal stability, strong oxidation resistance, and high dimensional accuracy.…

Influence of Water Absorption of Foam Concrete on Project Quality

As a lightweight thermal insulation material, foamed concrete has been widely used in construction projects. Some problems have also occurred during its application. When applied to thermal insulation components, due to the excessive water absorption…

Why is Copper alloyed with Nickel?

What is copper and nickel alloy called?There are a series of different CuNi alloy, which have different properties and can be used for different purposes, including:Cupronickel: containing 60-90% copper.Constantan: 45% nickel.Monel: at least 52% nick…

What problems should be paid attention to when using polycarboxylate water reducer for concrete of C30 and below

Polycarboxylate superplasticizer has more advantages than traditional naphthalene series and aliphatic superplasticizers when mixing high-strength concrete, but for low-strength concrete whose strength is not greater than C30, its high water-reducing…

What is Monel?

Monel alloy is a kind of nickel-copper alloy.…

Lawsuit Claims that Skittles are 'Unfit for Human Consumption' because of Titanium Dioxide

Us consumers have filed a lawsuit against Mars in a California court on last Thursday, claiming that Skittles contains too much titanium dioxide (E171). Is titanium dioxide harmful to the body?Titanium dioxide is an additive used in pigments, adhesiv…

Bismuth Oxide Bi2O3 Powder Supplier

Analysts at JPMorgan recommended selling or "underweight" emerging market local currency sovereign debt because of the global impact of the Ukraine-Russia crisis.JPMorgan estimated that fixed-income assets in emerging markets have lost 6-9 percent of…

Differences Between Concrete antifreezer and Early Strength Agent

This article will talk about the differences between concrete antifreezer and early strength agents.…

Difference analysis between early strength agent and superplasticizer for concrete

Early strength admixture refers to the admixture that can improve the early strength of concrete and has no significant effect on the later strength.Superplasticizer for concreter is a concrete admixture that can reduce the amount of mixing water whi…

Differences between In718 and In625

U.S. refiners forecast strong first-quarter earnings as margins on gasoline and diesel sales improved, refining capacity fell sharply and crude supplies tightened due to the Russia-Ukraine war.Global refining capacity has declined amid the coronaviru…

Does the international oil price extended decline have an impact on the macys petite illusion slit a-line gown market

International oil prices extended their decline after comments from Federal Reserve Chairman Jerome Powell added to concerns that U.S. interest rate hikes will slow economic growth and data from the American Petroleum Institute showed U.S. crude inve…

Does the international oil price extended decline have an impact on the aluminum cut-to-length line market

International oil prices extended their decline after comments from Federal Reserve Chairman Jerome Powell added to concerns that U.S. interest rate hikes will slow economic growth and data from the American Petroleum Institute showed U.S. crude inve…

Analysis of Hot rolled coil market in China and the impact on the front slit a line kurti stiching price market

Steel processing industry - Current status of the front slit a line kurti stiching Growth in the construction, automotive and consumer front slit a line kurti stiching has played a big role in providing the needed boost to the global ste…

Powdered Instant Potassium Silicate CAS 1312-76-1 Potassium Silicate Powder,99%

The European Union is seeking to boost energy cooperation with African countries to help wean them off dependence on Russian gas imports.Bloomberg said, recently, according to a draft EU file, African countries, especially in western Africa Nigeria,…

What is Spherical Aluminum Oxide Al2O3 Used For?

The U.S. and its allies plan to impose sanctions on more Russian industries and supply chains.The US government representatives recently visited Europe to consult with allies on strengthening and enforcing sanctions to punish Russia. They also plan t…

Precautions during use of superplasticizer additive

After the pce superplasticizer is added to the cement, the sodium aluminate and sodium carbonate in its main components react rapidly with the gypsum in the cement to form sodium sulfate in the alkaline solution, so that the gypsum loses its original…

What does superplasticizer for concrete admixture do

Superplasticizer used in concrete refers to the fact that after mixing, it can reduce the water demand of concrete under the condition of maintaining basically the same fluidity, thereby improving the strength and durability of concrete, or under the…